Seiko Cal. 3831 - 740

The Seiko 3831-740 represents an important milestone in Seiko's 1979 lineup. It features a Blue Sunburst dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-267cfda6f383]

Also known as: Turtle, Rally

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

8.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1979

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